Hi Chris
Just like to know the way on how to setup External DNS Server.
In future, I create a A record. It is pingable from outside.
So, I tried and I do not know whether I have done it correctly.
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How to create an External DNS Server using Windows Server 2003
Hi Experts
I wonder to know on how to setup my own Public DNS server using Windows Server 2003.
I have ISP registered two records:
A record - 203.100.100.1
NS record - capnet.com
I have done basic setup of Window Server 2003 with DNS Server Service installed using IP: 172.16.100.1. The NAT is configured in firewall 172.16.100.1 <--> 203.100.100.1 with allow incoming traffics: HTTP, HTTPS, SMTP, DNS. Outgoing traffic policy is no restriction.
I created primary zone from Forward Lookup Zones. Zone Name: capnet.com
I created a A records mail1.capnet.com -> 203.100.100.1
I tried to ping 203.100.100.1 at home, it is successful. But it failed to ping mail1.capnet.com
I would appreciate if you could show me the way and correct my mistake
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Answers
I wouldn't recommend making your Windows 2003 server a Public DNS server as this will create a lot more security risks. You will have to open port 53 (DNS) on your firewall to forward that to your server. You would then have to register your Public IP as the Name Server for your domain with your nane registrar. Doing this is going to open your server up a lot and you'll have a lot more bandwidth being used by people making DNS requests.
I would recommend that you use your registrar (where you registered your domain) as your external DNS host. On their site you would then create the A and MX records.
1. your firewall policy doesn't allow pings
2. capnet.com is hosted at itlnet.com and not on your server.You need to change your name server info at networkSolutions if you want your primary name server to be 203.100.100.1
currently it set to
capnet.com. 172800 IN NS bali.itlnet.com.
capnet.com. 172800 IN NS ns1.itlnet.com.
3. capnet.com is resolving to 207.182.255.172. that is why you can ping it
4. the email server for that domain is currently set to
capnet.com. 3600 IN MX 5 mfilter.itlnet.com.
if you plan to receive emails on mail1.capnet.com you also have to create an MX record in addition to A record as well as PTR record for reverse resolution if you plan to send emails from that server.
alex
Hi guys
Probably, you get me wrong.
capnet.com is just an example for this post. It can be abc.com or xyz.com.uk.
I wonder on how to setup External DNS Server if I have a registered NS record (xyz.com.uk) and A record (ns.xyz.com.uk) is 203.100.100.1.
I have setup a DNS Server using Windows Server 2003, its local domain is xyz.local.
I have created a primary forward zone named xyz.com.uk. and follow by A record: mail1 with IP: 203.100.100.2 is created.
I couldn't ping mail1.xyz.com.uk from outside. why? Really thanks if correct me.
I tried to create a A record within
Are you trying to host your Public DNS for xyz.com.uk on your Windows 2003 server? If so please see my first post regarding security issues, it's also a lot of work. It's much better to host your Public DNS on an external DNS server either through ZoneEdit.com or your Domain Name Registrar.
But either way, once you've setup your A and MX records you will need to configure your firewall to forward the appropriate ports to your server. For instance to ping your server you will need to allow ICMP traffic on your firewall.
1. your firewall policy doesn't allow pings from the outside
2. You also need an MX record if your plan to receive emails on mail1.xyz.com.uk
3. to check if your domain is set the way you want -
+ whois xyz.com.uk - will show authoritative name servers as well as contact info. authoritative name server at registrar should point on your DNS server ns.xyz.com.uk
4. Your zone probably looks similar to one below
@ IN SOA ns.xyz.com.uk.
youremail@xyz.com.uk. (
2007091301 ; serial number
86400 ; refresh
3600 ; retry
604800 ; expire
86400 ) ; minimum TTL
@ NS ns.xyz.com.uk.
ns.xyz.com.uk. A 203.100.100.1
@ MX 10 mail1.xyz.com.uk.
mail1 A 203.100.100.2
5. If you want to test your setup
nslookup mail1.xyz.com.uk 4.2.2.2. - will show if the DNS is working as you think it should
Despite any registar settings that may be causing this. You can test your DNS setup by changing your NIC's TCP DNS settings to use your servers IP instead of any auto assigned values.
Try changing this and pinging the record again.
If it works then you have issues at your registrar and should see their help documents on registering your server as a name server, and udating your domain to use the new records etc.
A simple whois will show you if your domain is set to use your server for DNS just look at the name servers. If they are not yours then you know were you need to focus.
Current name servers for capnet.com
Name Server: BALI.ITLNET.COM 207.182.255.132
Name Server: NS1.ITLNET.COM 207.182.255.131
If these IP's do not belong to your server then thats your problem. You have not correctly registered your servers IP as a name server at your registrar, and have not updated your domain to use the new record(s)
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by: Chris-DentPosted on 2007-09-12 at 03:02:38ID: 19874941
Hey,
Which server did you make the change on, ns1.itlnet.com or bali.itlnet.com?
Neither is able to show a record for mail1 at the moment.
Chris